Technics RS-7900U
Dolby B NR Wired Remote Control Full Logic Direct Drive 3 Head

This Technics RS-7900U is a stereo elcaset with Dolby B noise reduction, it was first sold by Technics in 1976.

The main features of the Technics RS-7900U elcaset are: 3 heads and off-tape monitoring, mechanical 3 digit tape counter and memory stop, automatic tape type selection and capable of handling normal, chrome and ferro-chrome tapes.

Typical front loading elcaset with the cassette compartiment located on the left side of the deck. Tape eject is operated mechanically and the cassette needs to be placed with the side to be played facing forward in the cassette well.

Level meters used on the Technics RS-7900U elcaset are analog needle VU reading meters. Full-logic transport controls used on the Technics RS-7900U let it respond to the slightest finger contact for fast and effortless transport function selection. 9,5 cm/s faster recording/playback speed used in the RS-7900U offers extended frequency response, increased dynamic range and transient response. RS-7900U, playback speed may be adjusted with pitch control.

To ensure the best response from the wide variety of tapes available adjustment of, sensitivity, to optimum levels can be performed prior to recording.

The Dolby-B system reduces tape hiss on tapes recorded on the Technics RS-7900U by as much as 10 dB at the highest frequencies. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the RS-7900U filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

To make live recordings this deck has 2 microphone inputs to connect microphones with a jack connector. For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable. All main transport commands can be issued remotely with a wired remote control.

Elcaset
  • 3 Plus 1 Head System

Historic events

1976 Elcaset audio format introduced by Sony as an improvement to compact cassettes.

Features of Technics RS-7900U

Calibration
Calibration
400Hz Test Tone Manual Level Calibration
Connectors
Connectivity
2 Mono Microphone Inputs Ground Terminal AC Power Cord / Plug RCA Input/Output Connectors Headphones Wired Remote Control
Display
Display
3-Digıt Mechanical Counter Analog Needle Meters
Cassette Exterior
Exterior
Orientation Left 19-Inch EIA Rack Mounting Black Finish Front Loading
Compact Cassette
General
Prototype Model Stereo
Head Configuration
Head Configuration
3 Head Desiǥn 4 Track / 2 Channel
Indicators
Indicators
Record Dolby B Chrome Tape Ferro-Chrome Tape Normal Tape
Noise Resuction
Noise Reduction
Dolby-B Noise Reduction MPX Filter
Controls
Operation
Full Logic Transport Control Timer Recording/Playback Record Mute Memory Stop Pitch Control Real-Time Tape Monitoring Memory Play
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Microphone Level Adjust (Left/Right) Individual Input Level Controls Output-Level Control Master Record Level Control Headphone Volume Control
Tape Speed
Speed
3¾ ips - 9.52 cm/s
Tape
Tape
Automatic Tape Type Selection Normal Tape Capabilıty Ferro-Chrome Tape Capabilıty Chrome Tape Capabilıty
Transport
Transport
Auto Shutoff Direct Drive (Capsŧan) Mechanical Tape Loading 4x Motor Mechanism

Similar to Technics RS-7900U from the period 1976